Hi Paul,
On 6/29/21 1:08 PM, Paul A. Clarke via Gcc-patches wrote:
2021-06-29 Paul A. Clarke <p...@us.ibm.com>
gcc/ChangeLog:
* config/rs6000/smmintrin.h (_mm_testz_si128, _mm_testc_si128,
_mm_testnzc_si128, _mm_test_all_ones, _mm_test_all_zeros,
_mm_test_mix_ones_zeros): New.
---
gcc/config/rs6000/smmintrin.h | 50 +++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/gcc/config/rs6000/smmintrin.h b/gcc/config/rs6000/smmintrin.h
index bdf6eb365d88..1b8cad135ed0 100644
--- a/gcc/config/rs6000/smmintrin.h
+++ b/gcc/config/rs6000/smmintrin.h
@@ -116,4 +116,54 @@ _mm_blendv_epi8 (__m128i __A, __m128i __B, __m128i __mask)
return (__m128i) vec_sel ((__v16qu) __A, (__v16qu) __B, __lmask);
}
+extern __inline int __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
Line too long, please fix here and below. (Existing cases can be left.)
+_mm_testz_si128 (__m128i __A, __m128i __B)
+{
+ /* Note: This implementation does NOT set "zero" or "carry" flags. */
This is reasonable; thanks for documenting.
LGTM; I can't approve, but recommend approval with line lengths fixed.
Thanks!
Bill
+ const __v16qu __zero = {0};
+ return vec_all_eq (vec_and ((__v16qu) __A, (__v16qu) __B), __zero);
+}
+
+extern __inline int __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
+_mm_testc_si128 (__m128i __A, __m128i __B)
+{
+ /* Note: This implementation does NOT set "zero" or "carry" flags. */
+ const __v16qu __zero = {0};
+ const __v16qu __notA = vec_nor ((__v16qu) __A, (__v16qu) __A);
+ return vec_all_eq (vec_and ((__v16qu) __notA, (__v16qu) __B), __zero);
+}
+
+extern __inline int __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
+_mm_testnzc_si128 (__m128i __A, __m128i __B)
+{
+ /* Note: This implementation does NOT set "zero" or "carry" flags. */
+ return _mm_testz_si128 (__A, __B) == 0 && _mm_testc_si128 (__A, __B) == 0;
+}
+
+extern __inline int __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
+_mm_test_all_zeros (__m128i __A, __m128i __mask)
+{
+ const __v16qu __zero = {0};
+ return vec_all_eq (vec_and ((__v16qu) __A, (__v16qu) __mask), __zero);
+}
+
+extern __inline int __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
+_mm_test_all_ones (__m128i __A)
+{
+ const __v16qu __ones = vec_splats ((unsigned char) 0xff);
+ return vec_all_eq ((__v16qu) __A, __ones);
+}
+
+extern __inline int __attribute__((__gnu_inline__, __always_inline__,
__artificial__))
+_mm_test_mix_ones_zeros (__m128i __A, __m128i __mask)
+{
+ const __v16qu __zero = {0};
+ const __v16qu __Amasked = vec_and ((__v16qu) __A, (__v16qu) __mask);
+ const int any_ones = vec_any_ne (__Amasked, __zero);
+ const __v16qu __notA = vec_nor ((__v16qu) __A, (__v16qu) __A);
+ const __v16qu __notAmasked = vec_and ((__v16qu) __notA, (__v16qu) __mask);
+ const int any_zeros = vec_any_ne (__notAmasked, __zero);
+ return any_ones * any_zeros;
+}
+
#endif
